TWM523954U - Inductive coil assembly - Google Patents

Inductive coil assembly Download PDF

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Publication number
TWM523954U
TWM523954U TW104213920U TW104213920U TWM523954U TW M523954 U TWM523954 U TW M523954U TW 104213920 U TW104213920 U TW 104213920U TW 104213920 U TW104213920 U TW 104213920U TW M523954 U TWM523954 U TW M523954U
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planar
circuit layer
disposed
inductive component
coil assembly
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TW104213920U
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Chinese (zh)
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Fu-Hui Hong
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Solistron Electronics Co Ltd
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Description

感應線圈總成 Induction coil assembly

本新型與電感元件的配置有關,特別是關於一種平面化的感應線圈總成。 The present invention relates to the configuration of inductive components, and more particularly to a planarized inductive coil assembly.

電感線圈廣泛地使用於濾波、電壓轉換、整流或其他電力轉換裝置中,經過不同的配置及線圈之間的連結關係,可以提供不同的功能。 Inductor coils are widely used in filtering, voltage conversion, rectification or other power conversion devices, and can provide different functions through different configurations and connections between coils.

傳統的線圈主要係在繞線架上纏繞漆包線,所形成的立體結構。前述的立體式繞線結構,不利於小型化,而無法應用於對於尺寸、厚度要求小型化的場合,同時在小型化的過程中,也容易因為尺寸誤差而造成實際表現的精確性不符合設計要求。 The conventional coil is mainly a three-dimensional structure formed by winding an enameled wire on a bobbin. The above-mentioned three-dimensional winding structure is not conducive to miniaturization, and cannot be applied to the case where the size and the thickness are required to be miniaturized, and in the process of miniaturization, the accuracy of the actual performance due to the dimensional error is not in conformity with the design. Claim.

因此,基於前述的問題,先前技術中發展出平面化螺旋線圈的設計,可以在一電路板上以一般印刷電路板製程製作出平面的繞線匝,從而取代立體化的繞線結構。此種平面線圈優點在於容易小型化且有利於大量快速生產,且維持高精確性的要求。 Therefore, based on the foregoing problems, the design of the planarized spiral coil has been developed in the prior art, and a planar winding turn can be fabricated on a circuit board in a general printed circuit board process, thereby replacing the three-dimensional winding structure. Such a planar coil has the advantages of being easy to miniaturize and facilitating mass production and maintaining high accuracy.

然而,由於平面化的結構,使得多個平面線圈之間的互相搭配、電路連結也變得困難,不容易在單一電路板上配置複雜的平面線圈組合。 However, due to the planarized structure, the mutual matching and circuit connection between the plurality of planar coils becomes difficult, and it is not easy to configure a complicated planar coil combination on a single circuit board.

為達上述目的,本新型揭露一種感應線圈總成,包括一印刷電路板、一第一平面繞線組、一第二平面繞線組以及至少一輔助電感元件。 To achieve the above objective, the present invention discloses an induction coil assembly including a printed circuit board, a first planar winding set, a second planar winding set, and at least one auxiliary inductive component.

印刷電路板具有依序層疊的第一電路層、第二電路層、第三電路層、第四電路層、第五電路層、第六電路層、第七電路層以及第八電路層,並且印刷電路板上定義一第一區塊及一第二區塊。第一平面繞線組具有多個互相串連的平面電感元件,環繞第一區塊設置,且分布在印刷電路板的各個電路層中。第二平面繞線組具有多個互相串連的平面電感元件,環繞第一區塊設置,且分布在印刷電路板的各個電路層中;並且第一平面繞線組的平面電感元件與第二平面繞線組的平面電感元件是採取交錯配置於上下相鄰的電路層。輔助電感元件設置於印刷電路板的電路層其中之一,環繞第二區塊設置,並且連接於第一平面繞線組或第二平面繞線組。 The printed circuit board has a first circuit layer, a second circuit layer, a third circuit layer, a fourth circuit layer, a fifth circuit layer, a sixth circuit layer, a seventh circuit layer, and an eighth circuit layer which are sequentially stacked, and printed A first block and a second block are defined on the circuit board. The first planar winding set has a plurality of planar inductive elements connected in series, disposed around the first block, and distributed in respective circuit layers of the printed circuit board. The second planar winding set has a plurality of planar inductive elements connected in series, disposed around the first block and distributed in respective circuit layers of the printed circuit board; and the planar inductive component of the first planar winding set and the second The planar inductive elements of the planar winding set are arranged in a staggered arrangement on the upper and lower adjacent circuit layers. The auxiliary inductive component is disposed on one of the circuit layers of the printed circuit board, disposed around the second block, and connected to the first planar winding set or the second planar winding set.

於一具體實施例中,第一平面繞線組的平面電感元件包括:一第一平面電感元件,設置於第一電路層;一第二平面電感元件,設置於第三電路層;一第三平面電感元件,設置於第五電路層;以及一第四平面電感元件,設置於第七電路層,且第一、第二、第三、第四平面電感元件互相串連,環繞第一區塊設置。 In a specific embodiment, the planar inductive component of the first planar winding group includes: a first planar inductive component disposed on the first circuit layer; a second planar inductive component disposed on the third circuit layer; a planar inductive component disposed on the fifth circuit layer; and a fourth planar inductive component disposed on the seventh circuit layer, wherein the first, second, third, and fourth planar inductive components are connected in series to surround the first block Settings.

於一具體實施例中,第二平面繞線組的平面電感元件包括:一第五平面電感元件,設置於第二電路層;一第六平面電感元件,設置於第四電路層;一第七平面電感元件,設置於第六電路層;以及一第八 平面電感元件,設置於第八電路層,且第五、第六、第七、第八平面電感元件互相串連,環繞第一區塊設置。 In a specific embodiment, the planar inductive component of the second planar winding group includes: a fifth planar inductive component disposed on the second circuit layer; a sixth planar inductive component disposed on the fourth circuit layer; Planar inductive component, disposed on the sixth circuit layer; and an eighth The planar inductive component is disposed on the eighth circuit layer, and the fifth, sixth, seventh, and eighth planar inductive components are connected in series to each other and disposed around the first block.

於一具體實施例中,第一平面繞線組更包含一第一抽頭,設置於印刷電路板的電路層其中之一,且第一抽頭連接於第一平面繞線組的兩個平面電感元件之間。 In a specific embodiment, the first planar winding group further includes a first tap disposed on one of the circuit layers of the printed circuit board, and the first tap is connected to the two planar inductive components of the first planar winding group. between.

於一具體實施例中,第一抽頭連接於第二平面電感元件與第三平面電感元件之間,並且於印刷電路板上形成一第一抽頭接點。 In one embodiment, the first tap is coupled between the second planar inductive component and the third planar inductive component and forms a first tap contact on the printed circuit board.

於一具體實施例中,第一平面電感元件以及第四平面電感元件在第一電路層上形成訊號連接端點。 In one embodiment, the first planar inductive component and the fourth planar inductive component form a signal connection endpoint on the first circuit layer.

於一具體實施例中,第二平面繞線組更包含一第二抽頭,設置於印刷電路板的電路層其中之一,且第二抽頭連接於第二平面繞線組的兩個平面電感元件之間。 In a specific embodiment, the second planar winding group further includes a second tap disposed on one of the circuit layers of the printed circuit board, and the second tap is connected to the two planar inductive components of the second planar winding group between.

於一具體實施例中,第二抽頭連接於第六平面電感元件與第七平面電感元件之間,並且於印刷電路板上形成一第二抽頭接點。 In one embodiment, the second tap is coupled between the sixth planar inductive component and the seventh planar inductive component and forms a second tap contact on the printed circuit board.

於一具體實施例中,輔助電感元件串連於第二平面繞線組的平面電感元件其中之一。 In one embodiment, the auxiliary inductive component is connected in series to one of the planar inductive components of the second planar winding set.

於一具體實施例中,輔助電感元件設置於第一電路層,並延伸到第二電路層,並且在第二電路層串連於第五平面電感元件。 In a specific embodiment, the auxiliary inductive component is disposed on the first circuit layer and extends to the second circuit layer, and is connected in series to the fifth planar inductive component in the second circuit layer.

於一具體實施例中,輔助電感元件在印刷電路板上形成訊號連接端點。 In one embodiment, the auxiliary inductive component forms a signal connection termination on the printed circuit board.

於一具體實施例中,輔助電感元件設置於第七電路層,並且延伸到第八電路層,並且在第八電路層串連於第八平面電感元件。 In a specific embodiment, the auxiliary inductive component is disposed on the seventh circuit layer and extends to the eighth circuit layer, and is connected in series to the eighth planar inductive component in the eighth circuit layer.

於一具體實施例中,輔助電感元件透過線路延伸在第一電路層上形成訊號連接端點。 In one embodiment, the auxiliary inductive component extends through the line over the first circuit layer to form a signal connection endpoint.

於一具體實施例中,印刷電路板更包括一第一貫穿槽及一第二貫穿槽,分別貫穿印刷電路板的第一區塊以及第二區塊。 In one embodiment, the printed circuit board further includes a first through slot and a second through slot respectively extending through the first block and the second block of the printed circuit board.

於一具體實施例中,感應線圈總成更包括一磁芯,一部份嵌埋於印刷電路板的第一貫穿槽及第二貫穿槽。 In one embodiment, the inductive coil assembly further includes a magnetic core, a portion of which is embedded in the first through slot and the second through slot of the printed circuit board.

有關本新型的特徵、實作與功效,茲配合圖式作最佳實施例詳細說明如下。 The features, implementations, and effects of the present invention are described in detail below with reference to the drawings.

1‧‧‧感應線圈總成 1‧‧‧Induction coil assembly

100‧‧‧印刷電路板 100‧‧‧Printed circuit board

101‧‧‧第一電路層 101‧‧‧First circuit layer

102‧‧‧第二電路層 102‧‧‧Second circuit layer

103‧‧‧第三電路層 103‧‧‧ third circuit layer

104‧‧‧第四電路層 104‧‧‧fourth circuit layer

105‧‧‧第五電路層 105‧‧‧ fifth circuit layer

106‧‧‧第六電路層 106‧‧‧ sixth circuit layer

107‧‧‧第七電路層 107‧‧‧ seventh circuit layer

108‧‧‧第八電路層 108‧‧‧ eighth circuit layer

110‧‧‧第一平面繞線組 110‧‧‧First Plane Winding Group

111‧‧‧第一平面電感元件 111‧‧‧First planar inductive component

112‧‧‧第二平面電感元件 112‧‧‧Second planar inductive component

113‧‧‧第三平面電感元件 113‧‧‧ Third planar inductive component

114‧‧‧第四平面電感元件 114‧‧‧4th planar inductive component

120‧‧‧第二平面繞線組 120‧‧‧Second plane winding group

125‧‧‧第五平面電感元件 125‧‧‧ fifth planar inductive component

126‧‧‧第六平面電感元件 126‧‧‧ sixth planar inductive component

127‧‧‧第七平面電感元件 127‧‧‧ seventh planar inductive component

128‧‧‧第八平面電感元件 128‧‧‧ eighth planar inductive component

131‧‧‧第一輔助電感元件 131‧‧‧First auxiliary inductance component

132‧‧‧第二輔助電感元件 132‧‧‧Second auxiliary inductance component

140‧‧‧磁芯 140‧‧‧ magnetic core

A1‧‧‧第一區塊 A1‧‧‧ first block

A2‧‧‧第二區塊 A2‧‧‧Second block

CT1‧‧‧第一抽頭 CT1‧‧‧first tap

CT2‧‧‧第二抽頭 CT2‧‧‧second tap

Cx‧‧‧第一抽頭接點 Cx‧‧‧first tap contact

Cy‧‧‧第二抽頭接點 Cy‧‧‧second tap contact

TH1‧‧‧第一貫穿槽 TH1‧‧‧first through slot

TH2‧‧‧第二貫穿槽 TH2‧‧‧Second through slot

X+,X-‧‧‧訊號連接端點 X+, X-‧‧‧ signal connection endpoint

Y+,Y-‧‧‧訊號連接端點 Y+, Y-‧‧‧ signal connection endpoint

第1圖為本新型實施例的感應線圈總成的分解示意圖。 Fig. 1 is an exploded perspective view showing the induction coil assembly of the new embodiment.

第2圖為本新型實施例的感應線圈總成的立體圖。 Fig. 2 is a perspective view of the induction coil assembly of the new embodiment.

請參閱第1圖及第2圖所示,本新型實施例揭露的一種感應線圈總成1,包括一印刷電路板100、一第一平面繞線組110以及一第二平面繞線組120。 Referring to FIG. 1 and FIG. 2 , an induction coil assembly 1 according to the present invention includes a printed circuit board 100 , a first planar winding set 110 , and a second planar winding set 120 .

如第1圖所示,印刷電路板100具有八個電路層101,102,103,104,105,106,107,108,分別為第一電路層101至第八電路層108,並且印刷電路板100上定義一第一區塊A1及一第二區塊A2,每一電路層101,102,103,104,105,106,107,108均具有第一區塊A1及第二區塊A2。印刷電路板100中整合了第一平面繞線組110以及第二平面繞線組120。 As shown in FIG. 1, the printed circuit board 100 has eight circuit layers 101, 102, 103, 104, 105, 106, 107, 108, which are respectively a first circuit layer 101 to an eighth circuit layer 108, and a first block A1 and a second area are defined on the printed circuit board 100. Block A2, each circuit layer 101, 102, 103, 104, 105, 106, 107, 108 has a first block A1 and a second block A2. A first planar winding set 110 and a second planar winding set 120 are integrated in the printed circuit board 100.

如第1圖所示,第一平面繞線組110具有多個互相串連的平面電感元件111,112,113,114,分別設置在第一電路層101、第三電路層 103、第五電路層105、第七電路層107。第一平面繞線組110的平面電感元件111,112,113,114分別具有多個串連的繞線圈,環繞第一區塊A1設置。第一平面繞線組110的平面電感元件111,112,113,114的繞線方向,可以是相同或是互為相反。 As shown in FIG. 1, the first planar winding group 110 has a plurality of planar inductive elements 111, 112, 113, 114 connected in series, respectively disposed on the first circuit layer 101 and the third circuit layer. 103. The fifth circuit layer 105 and the seventh circuit layer 107. The planar inductive elements 111, 112, 113, 114 of the first planar winding set 110 each have a plurality of wound coils connected in series, disposed around the first block A1. The winding directions of the planar inductive elements 111, 112, 113, 114 of the first planar winding group 110 may be the same or opposite to each other.

第一平面繞線組110的平面電感元件111,112,113,114的繞線圈數量,可以是一比一的比例,也可以是其他倍數的比例,平面電感元件111,112,113,114的繞線圈數量比可依設計需求有所變更。 The number of windings of the planar inductive elements 111, 112, 113, 114 of the first planar winding group 110 may be a ratio of one to one, or may be a ratio of other multiples, and the number of windings of the planar inductive elements 111, 112, 113, 114 may be changed according to design requirements.

如第1圖所示,第二平面繞線組120也具有多個互相串連的平面電感元件125,126,127,128,分別設置在第二電路層102、第四電路層104、第六電路層106、第八電路層108。第二平面繞線組120的平面電感元件125,126,127,128分別具有多個串連的繞線圈,環繞第一區塊A1設置。第二平面繞線組120的平面電感元件125,126,127,128的繞線方向,可以是相同或是互為相反。 As shown in FIG. 1, the second planar winding group 120 also has a plurality of planar inductive elements 125, 126, 127, 128 connected in series, respectively disposed on the second circuit layer 102, the fourth circuit layer 104, the sixth circuit layer 106, and the eighth. Circuit layer 108. The planar inductive elements 125, 126, 127, 128 of the second planar winding set 120 each have a plurality of wound coils connected in series, disposed around the first block A1. The winding directions of the planar inductive elements 125, 126, 127, 128 of the second planar winding set 120 may be the same or opposite to each other.

同理,第二平面繞線組120的平面電感元件125,126,127,128的繞線圈數量,可以是一比一的比例,也可以是其他倍數的比例,平面電感元件125,126,127,128的繞線圈數量比可依設計需求有所變更。 Similarly, the number of windings of the planar inductive components 125, 126, 127, 128 of the second planar winding group 120 may be a ratio of one to one, or may be a ratio of other multiples. The number of windings of the planar inductive components 125, 126, 127, 128 may be designed according to the design requirements. Changed.

同樣地,第一平面繞線組110與第二平面繞線組120的總繞線圈數量比也是依設計需求有所變更。 Similarly, the total number of coils of the first planar winding group 110 and the second planar winding group 120 is also changed according to design requirements.

第一平面繞線組110的平面電感元件111,112,113,114與第二平面繞線組120的平面電感元件125,126,127,128,是採取交錯配置於上下相鄰的電路層101,102,103,104,105,106,107,108。 The planar inductive elements 111, 112, 113, 114 of the first planar winding set 110 and the planar inductive elements 125, 126, 127, 128 of the second planar winding set 120 are alternately disposed adjacent to the upper and lower adjacent circuit layers 101, 102, 103, 104, 105, 106, 107, 108.

以下進一步說明第一實施例的感應線圈總成1的細節。 Details of the induction coil assembly 1 of the first embodiment are further explained below.

如第1圖所示,印刷電路板100的電路層至少包含第一電路層101、第二電路層102、第三電路層103、第四電路層104、第五電路層105、第六電路層106、第七電路層107以及第八電路層108,前述的電路層依序層疊。 As shown in FIG. 1, the circuit layer of the printed circuit board 100 includes at least a first circuit layer 101, a second circuit layer 102, a third circuit layer 103, a fourth circuit layer 104, a fifth circuit layer 105, and a sixth circuit layer. 106, the seventh circuit layer 107 and the eighth circuit layer 108, the aforementioned circuit layers are sequentially stacked.

第一平面繞線組110的平面電感元件包括一第一平面電感元件111、一第二平面電感元件112、一第三平面電感元件113以及一第四平面電感元件114。第一平面電感元件111設置於第一電路層101,第二平面電感元件112設置於第三電路層103,第三平面電感元件103設置於第五電路層105,第四平面電感元件104設置於第七電路層107。前述第一、第二、第三、第四平面電感元件111,112,113,114互相串連,並且四個電感元件111,112,113,114環繞第一區塊A1設置。 The planar inductive component of the first planar winding set 110 includes a first planar inductive component 111, a second planar inductive component 112, a third planar inductive component 113, and a fourth planar inductive component 114. The first planar inductive component 111 is disposed on the first circuit layer 101, the second planar inductive component 112 is disposed on the third circuit layer 103, the third planar inductive component 103 is disposed on the fifth circuit layer 105, and the fourth planar inductive component 104 is disposed on the first circuit layer 101. The seventh circuit layer 107. The first, second, third, and fourth planar inductive elements 111, 112, 113, 114 are connected in series with each other, and the four inductive elements 111, 112, 113, 114 are disposed around the first block A1.

第二平面繞線組120的平面電感元件包括一第五平面電感元件125、一第六平面電感元件126、一第七平面電感元件127以及一第八電感元件128。第五平面電感元件125設置於第二電路層102,第六平面電感元件126,設置於第四電路層104,第七平面電感元件127設置於第六電路層106,第八平面電感元件128設置於第八電路層108。前述第五、第六、第七、第八平面電感元件125,126,127,128互相串連,並且四個電感元件125,126,127,128環繞第一區塊A1設置。 The planar inductive component of the second planar winding set 120 includes a fifth planar inductive component 125, a sixth planar inductive component 126, a seventh planar inductive component 127, and an eighth inductive component 128. The fifth planar inductive component 125 is disposed on the second circuit layer 102, the sixth planar inductive component 126 is disposed on the fourth circuit layer 104, the seventh planar inductive component 127 is disposed on the sixth circuit layer 106, and the eighth planar inductive component 128 is disposed. In the eighth circuit layer 108. The aforementioned fifth, sixth, seventh, and eighth planar inductive elements 125, 126, 127, 128 are connected in series with each other, and four inductive elements 125, 126, 127, 128 are disposed around the first block A1.

如第1圖與第2圖所示,第一平面繞線組110更包含一第一抽頭CT1,設置於印刷電路板100的電路層101,102,103,104,105,106,107,108其中之一,且第一抽頭CT1連接於第一平面繞線組110的兩個平面電感元件之間,例如第一抽頭CT1連接於第二平面電感元件112與第三平 面電感元件113之間,並且於印刷電路板100的表面(例如第一電路層101)形成一第一抽頭接點Cx。而第一平面電感元件111以及第四平面電感元件114,則在印刷電路板100的表面上形成訊號連接端點X+,X-。 As shown in FIG. 1 and FIG. 2, the first planar winding group 110 further includes a first tap CT1 disposed on one of the circuit layers 101, 102, 103, 104, 105, 106, 107, 108 of the printed circuit board 100, and the first tap CT1 is connected to the first plane. Between two planar inductive elements of the winding set 110, for example, the first tap CT1 is connected to the second planar inductive element 112 and the third flat A first tap contact Cx is formed between the surface inductive elements 113 and on the surface of the printed circuit board 100 (eg, the first circuit layer 101). The first planar inductive component 111 and the fourth planar inductive component 114 form a signal connection terminal X+, X- on the surface of the printed circuit board 100.

如第1圖與第2圖所示,第二平面繞線組120更包含一第二抽頭CT2,設置於印刷電路板100的電路層101,102,103,104,105,106,107,108其中之一,且第二抽頭CT2連接於第二平面繞線組120的兩個平面電感元件之間,例如第二抽頭CT2連接於第六平面電感元件126與第七平面電感元件127之間,並且於印刷電路板100的表面(例如第一電路層101)上形成一第二抽頭接點Cy。 As shown in FIG. 1 and FIG. 2, the second planar winding group 120 further includes a second tap CT2 disposed on one of the circuit layers 101, 102, 103, 104, 105, 106, 107, 108 of the printed circuit board 100, and the second tap CT2 is connected to the second plane. Between the two planar inductive elements of the winding set 120, for example, the second tap CT2 is connected between the sixth planar inductive element 126 and the seventh planar inductive element 127, and on the surface of the printed circuit board 100 (eg, the first circuit layer) A second tap contact Cy is formed on 101).

此外,第一抽頭接點Cx、訊號連接端點X+,X-可以設置在長方形印刷電路板100的一端,而第二抽頭接點Cy配置在長方形印刷電路板100的另一端。 Further, the first tap contact Cx, the signal connection end point X+, X- may be disposed at one end of the rectangular printed circuit board 100, and the second tap contact point Cy is disposed at the other end of the rectangular printed circuit board 100.

如第1圖與第2圖所示,中,印刷電路板100上更定義一第二區塊A2,每一電路層101,102,103,104,105,106,107,108均具有第二區塊A2。感應線圈總成1更包括多個輔助電感元件,每一輔助電感元件設置於電路層101,102,103,104,105,106,107,108其中之一,環繞第二區塊A2設置,並且連接於第一平面繞線組110或第二平面繞線組120。 As shown in FIG. 1 and FIG. 2, a second block A2 is further defined on the printed circuit board 100, and each circuit layer 101, 102, 103, 104, 105, 106, 107, 108 has a second block A2. The induction coil assembly 1 further includes a plurality of auxiliary inductance elements, each of which is disposed on one of the circuit layers 101, 102, 103, 104, 105, 106, 107, 108, disposed around the second block A2, and connected to the first planar winding group 110 or the second plane. Line group 120.

如第1圖所示,於一具體實施例中,感應線圈總成1包含一第一輔助電感元件131以及一第二輔助電感元件132。 As shown in FIG. 1 , in an embodiment, the induction coil assembly 1 includes a first auxiliary inductance element 131 and a second auxiliary inductance element 132 .

如第1圖所示,第一輔助電感元件131設置於印刷電路板100的電路層101,102,103,104,105,106,107,108其中之一或其組合,並且串連於第二平面繞線組120的平面電感元件125,126,127,128其中之一。 例如第一輔助電感元件131設置於第一電路層101,並且進一步延伸到第二電路層102,並且在第二電路層102串連於第五平面電感元件125,亦即串連於第二平面繞線組120的一端。同時,第一輔助電感元件131環繞第二區塊A2設置,並且第一輔助電感元件131在第一電路層101上形成訊號連接端點Y+,訊號連接端點Y+與第二抽頭接點Cy位於長方形印刷電路板100的同一端。第一輔助電感元件131在第一電路層101與第二電路層102的繞線方向可以是相同或相反。 As shown in FIG. 1, the first auxiliary inductance element 131 is disposed on one or a combination of the circuit layers 101, 102, 103, 104, 105, 106, 107, 108 of the printed circuit board 100, and is serially connected to one of the planar inductive elements 125, 126, 127, 128 of the second planar winding group 120. For example, the first auxiliary inductance element 131 is disposed on the first circuit layer 101 and further extends to the second circuit layer 102, and is connected in series to the fifth planar inductance element 125 at the second circuit layer 102, that is, connected in series to the second plane. One end of the winding group 120. At the same time, the first auxiliary inductance component 131 is disposed around the second block A2, and the first auxiliary inductance component 131 forms a signal connection terminal Y+ on the first circuit layer 101, and the signal connection terminal Y+ and the second tap contact Cy are located. The same end of the rectangular printed circuit board 100. The first auxiliary inductance element 131 may be the same or opposite in the winding direction of the first circuit layer 101 and the second circuit layer 102.

如第1圖所示,第二輔助電感元件132,設置於印刷電路板100的電路層101,102,103,104,105,106,107,108其中之一或其組合,並且串連於第二平面繞線組120的平面電感元件125,126,127,128其中之一。例如第二輔助電感元件132設置於第七電路層107,並且進一步延伸到第八電路層108以增加感抗,並且在第八電路層108串連於第八平面電感元件128,亦即串連於第二平面繞線組120的另一端。同時,第二輔助電感元件132環繞第二區塊A2設置,而可以和第一輔助電感元件131交互作用。此外,第二輔助電感元件132透過線路延伸在第一電路層101上形成訊號連接端點Y-,訊號連接端點Y-與第二抽頭接點Cy位於長方形印刷電路板100的同一端。第二輔助電感元件132在第七電路層107與第八電路層108的繞線方向可以是相同或相反,來改變感抗特性。 As shown in FIG. 1, the second auxiliary inductance element 132 is disposed on one or a combination of the circuit layers 101, 102, 103, 104, 105, 106, 107, 108 of the printed circuit board 100, and is serially connected to one of the planar inductive elements 125, 126, 127, 128 of the second planar winding group 120. . For example, the second auxiliary inductance element 132 is disposed on the seventh circuit layer 107 and further extends to the eighth circuit layer 108 to increase the inductive reactance, and is connected in series to the eighth planar inductive element 128, that is, in series, in the eighth circuit layer 108. The other end of the second planar winding group 120. At the same time, the second auxiliary inductance element 132 is disposed around the second block A2 and can interact with the first auxiliary inductance element 131. In addition, the second auxiliary inductance component 132 is formed on the first circuit layer 101 through the line to form a signal connection terminal Y-, and the signal connection terminal Y- and the second tap contact Cy are located at the same end of the rectangular printed circuit board 100. The second auxiliary inductance element 132 may be the same or opposite to the winding direction of the seventh circuit layer 107 and the eighth circuit layer 108 to change the inductive reactance characteristics.

承上所述,各電路層101,102,103,104,105,106,107,108之間的電性連接,可以透過貫通電路層101,102,103,104,105,106,107,108的貫孔達成,透過貫孔內壁電路金屬膜,就可以使個電路層101,102,103,104,105,106,107,108之間的線路進行電性連接。貫孔的應用為印刷 電路板100的技術領域中常見的技術手段,以下不再贅述。 As described above, the electrical connection between the circuit layers 101, 102, 103, 104, 105, 106, 107, 108 can be achieved through the through holes of the circuit layers 101, 102, 103, 104, 105, 106, 107, 108, and the circuit between the circuit layers 101, 102, 103, 104, 105, 106, 107, 108 can be electrically connected through the through-hole inner wall circuit metal film. connection. The application of the through hole is printing The technical means common in the technical field of the circuit board 100 will not be described below.

本新型的一種感應線圈總成1是應用於濾波、電壓轉換或其他電力轉換應用。 The inductive coil assembly 1 of the present invention is applied to filtering, voltage conversion or other power conversion applications.

如第1圖與第2圖所示,印刷電路板100更包括一第一貫穿槽TH1及一第二貫穿槽TH2,第一貫穿槽TH1貫穿印刷電路板100的第一區塊A1,以及第二貫穿槽TH2貫穿印刷電路板100的第二區塊A2。 As shown in FIG. 1 and FIG. 2, the printed circuit board 100 further includes a first through slot TH1 and a second through slot TH2. The first through slot TH1 extends through the first block A1 of the printed circuit board 100, and The second through slot TH2 extends through the second block A2 of the printed circuit board 100.

如第1圖與第2圖所示,感應線圈總成1更包括一磁芯140,磁芯140的一部份嵌埋於印刷電路板100的第一貫穿槽TH1及第二貫穿槽TH2。於較佳實施例中,磁芯140可分離成二個部份,且分離後磁芯140的一半部份的形狀為C字型,可方便組裝及調整磁芯140的參數。 As shown in FIGS. 1 and 2, the induction coil assembly 1 further includes a magnetic core 140. A portion of the magnetic core 140 is embedded in the first through slot TH1 and the second through slot TH2 of the printed circuit board 100. In the preferred embodiment, the magnetic core 140 can be separated into two parts, and the half of the core 140 is separated into a C-shape, which facilitates assembly and adjustment of the parameters of the magnetic core 140.

另外,磁芯140的結構尺寸可依設計需求決定,且磁芯140的材質可以為具有導磁特性的金屬,例如包含不同鎳、錳、鋅成分比例的金屬。磁芯140可以在繞線圈之間構成封閉磁力線,加強繞線圈之間的電感效應。 In addition, the structural size of the magnetic core 140 can be determined according to design requirements, and the material of the magnetic core 140 can be a metal having magnetic permeability characteristics, for example, a metal containing different ratios of nickel, manganese, and zinc components. The magnetic core 140 can form a closed magnetic line of force between the wound coils to enhance the inductive effect between the wound coils.

1‧‧‧感應線圈總成 1‧‧‧Induction coil assembly

100‧‧‧印刷電路板 100‧‧‧Printed circuit board

101‧‧‧第一電路層 101‧‧‧First circuit layer

102‧‧‧第二電路層 102‧‧‧Second circuit layer

103‧‧‧第三電路層 103‧‧‧ third circuit layer

104‧‧‧第四電路層 104‧‧‧fourth circuit layer

105‧‧‧第五電路層 105‧‧‧ fifth circuit layer

106‧‧‧第六電路層 106‧‧‧ sixth circuit layer

107‧‧‧第七電路層 107‧‧‧ seventh circuit layer

108‧‧‧第八電路層 108‧‧‧ eighth circuit layer

110‧‧‧第一平面繞線組 110‧‧‧First Plane Winding Group

111‧‧‧第一平面電感元件 111‧‧‧First planar inductive component

112‧‧‧第二平面電感元件 112‧‧‧Second planar inductive component

113‧‧‧第三平面電感元件 113‧‧‧ Third planar inductive component

114‧‧‧第四平面電感元件 114‧‧‧4th planar inductive component

120‧‧‧第二平面繞線組 120‧‧‧Second plane winding group

125‧‧‧第五平面電感元件 125‧‧‧ fifth planar inductive component

126‧‧‧第六平面電感元件 126‧‧‧ sixth planar inductive component

127‧‧‧第七平面電感元件 127‧‧‧ seventh planar inductive component

128‧‧‧第八平面電感元件 128‧‧‧ eighth planar inductive component

131‧‧‧第一輔助電感元件 131‧‧‧First auxiliary inductance component

132‧‧‧第二輔助電感元件 132‧‧‧Second auxiliary inductance component

140‧‧‧磁芯 140‧‧‧ magnetic core

A1‧‧‧第一區塊 A1‧‧‧ first block

A2‧‧‧第二區塊 A2‧‧‧Second block

CT1‧‧‧第一抽頭 CT1‧‧‧first tap

CT2‧‧‧第二抽頭 CT2‧‧‧second tap

Cx‧‧‧第一抽頭接點 Cx‧‧‧first tap contact

Cy‧‧‧第二抽頭接點 Cy‧‧‧second tap contact

TH1‧‧‧第一貫穿槽 TH1‧‧‧first through slot

TH2‧‧‧第二貫穿槽 TH2‧‧‧Second through slot

X+,X-‧‧‧訊號連接端點 X+, X-‧‧‧ signal connection endpoint

Y+,Y-‧‧‧訊號連接端點 Y+, Y-‧‧‧ signal connection endpoint

Claims (13)

一種感應線圈總成,包括:一印刷電路板,具有依序層疊的第一電路層、第二電路層、第三電路層、第四電路層、第五電路層、第六電路層、第七電路層以及第八電路層,並且該印刷電路板上定義一第一區塊及一第二區塊;一第一平面繞線組,具有多個互相串連的平面電感元件,環繞該第一區塊設置,且分布在該印刷電路板的各個電路層中;一第二平面繞線組,具有多個互相串連的平面電感元件,環繞該第一區塊設置,且分布在該印刷電路板的各個電路層中;並且該第一平面繞線組的平面電感元件與第二平面繞線組的平面電感元件是採取交錯配置於上下相鄰的電路層;以及至少一輔助電感元件,設置於該印刷電路板的電路層其中之一,環繞該第二區塊設置,並且連接於該第一平面繞線組或該第二平面繞線組。 An induction coil assembly comprising: a printed circuit board having a first circuit layer, a second circuit layer, a third circuit layer, a fourth circuit layer, a fifth circuit layer, a sixth circuit layer, and a seventh layer which are sequentially stacked a circuit layer and an eighth circuit layer, and a first block and a second block are defined on the printed circuit board; a first planar winding group having a plurality of planar inductive components connected in series, surrounding the first Blocks are disposed and distributed in respective circuit layers of the printed circuit board; a second planar winding group having a plurality of planar inductive elements connected in series, disposed around the first block, and distributed over the printed circuit In each circuit layer of the board; and the planar inductive component of the first planar winding group and the planar inductive component of the second planar winding group are alternately disposed adjacent to each other; and at least one auxiliary inductive component is disposed One of the circuit layers of the printed circuit board is disposed around the second block and connected to the first planar winding group or the second planar winding group. 如請求項1所述的感應線圈總成,其中,該第一平面繞線組的平面電感元件包括一第一平面電感元件,設置於該第一電路層;一第二平面電感元件,設置於該第三電路層;一第三平面電感元件,設置於該第五電路層;以及一第四平面電感元件,設置於該第七電路層,且該第一、第二、第三、第四平面電感元件互相串連,環繞該第一區塊設置。 The inductive coil assembly of claim 1, wherein the planar inductive component of the first planar winding group comprises a first planar inductive component disposed on the first circuit layer; and a second planar inductive component disposed on a third circuit layer; a third planar inductive component disposed on the fifth circuit layer; and a fourth planar inductive component disposed on the seventh circuit layer, and the first, second, third, fourth The planar inductive elements are connected in series to each other and are disposed around the first block. 如請求項2所述的感應線圈總成,其中,該第二平面繞線組的平面電感 元件包括:一第五平面電感元件,設置於該第二電路層;一第六平面電感元件,設置於該第四電路層;一第七平面電感元件,設置於該第六電路層;以及一第八平面電感元件,設置於該第八電路層,且該第五、第六、第七、第八平面電感元件互相串連,環繞該第一區塊設置。 The induction coil assembly of claim 2, wherein the planar inductance of the second planar winding group The component includes: a fifth planar inductive component disposed on the second circuit layer; a sixth planar inductive component disposed on the fourth circuit layer; a seventh planar inductive component disposed on the sixth circuit layer; An eighth planar inductive component is disposed on the eighth circuit layer, and the fifth, sixth, seventh, and eighth planar inductive components are connected in series to each other and disposed around the first block. 如請求項3所述的感應線圈總成,其中,該第一平面繞線組更包含一第一抽頭,設置於該印刷電路板的電路層其中之一,且該第一抽頭連接於該第一平面繞線組的兩個平面電感元件之間。 The induction coil assembly of claim 3, wherein the first planar winding group further comprises a first tap disposed on one of the circuit layers of the printed circuit board, and the first tap is connected to the first Between two planar inductive components of a planar winding set. 如請求項4所述的感應線圈總成,其中,該第一抽頭連接於該第二平面電感元件與該第三平面電感元件之間,並且於該印刷電路板上形成一第一抽頭接點。 The induction coil assembly of claim 4, wherein the first tap is connected between the second planar inductive component and the third planar inductive component, and a first tap contact is formed on the printed circuit board . 如請求項4所述的感應線圈總成,其中,該第一平面電感元件以及該第四平面電感元件在該第一電路層上形成訊號連接端點。 The inductive coil assembly of claim 4, wherein the first planar inductive component and the fourth planar inductive component form a signal connection endpoint on the first circuit layer. 如請求項3所述的感應線圈總成,其中,該第二平面繞線組更包含一第二抽頭,設置於該印刷電路板的電路層其中之一,且該第二抽頭連接於該第二平面繞線組的兩個平面電感元件之間。 The induction coil assembly of claim 3, wherein the second planar winding group further comprises a second tap disposed on one of the circuit layers of the printed circuit board, and the second tap is connected to the first Between two planar inductive components of a two-plane winding set. 如請求項7所述的感應線圈總成,其中,該第二抽頭連接於該第六平面電感元件與該第七平面電感元件之間,並且於該印刷電路板上形成一第二抽頭接點。 The induction coil assembly of claim 7, wherein the second tap is connected between the sixth planar inductive component and the seventh planar inductive component, and a second tap contact is formed on the printed circuit board. . 如請求項3所述的感應線圈總成,其中,該輔助電感元件串連於第二平面繞線組的平面電感元件其中之一。 The induction coil assembly of claim 3, wherein the auxiliary inductance element is connected in series to one of the planar inductive elements of the second planar winding group. 如請求項9所述的感應線圈總成,其中,該輔助電感元件設置於該第一電路層,並延伸到該第二電路層,並且在該第二電路層串連於該第五平面電感元件,並且該輔助電感元件在該印刷電路板上形成訊號連接端點。 The induction coil assembly of claim 9, wherein the auxiliary inductance element is disposed on the first circuit layer and extends to the second circuit layer, and the second circuit layer is serially connected to the fifth planar inductor An element, and the auxiliary inductive element forms a signal connection end point on the printed circuit board. 如請求項9所述的感應線圈總成,其中,該輔助電感元件設置於該第七電路層,並且延伸到該第八電路層,並且在該第八電路層串連於該第八平面電感元件,並且該輔助電感元件透過線路延伸在該印刷電路板上形成訊號連接端點。 The induction coil assembly of claim 9, wherein the auxiliary inductance element is disposed on the seventh circuit layer and extends to the eighth circuit layer, and the eighth circuit layer is serially connected to the eighth planar inductor An element, and the auxiliary inductive element extends through the line to form a signal connection end point on the printed circuit board. 如請求項1所述的感應線圈總成,其中,該印刷電路板更包括一第一貫穿槽及一第二貫穿槽,分別貫穿該印刷電路板的第一區塊以及第二區塊。 The induction coil assembly of claim 1, wherein the printed circuit board further comprises a first through slot and a second through slot respectively extending through the first block and the second block of the printed circuit board. 如請求項12所述的感應線圈總成,更包括一磁芯,一部份嵌埋於該印刷電路板的第一貫穿槽及第二貫穿槽。 The induction coil assembly of claim 12, further comprising a magnetic core, a portion of the first through slot and the second through slot embedded in the printed circuit board.
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